AU Converter

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Available translations: EN, DE, FR, IT, ES, PT, NL, PL, JP, KR, ZH

You can also convert your files with our powerful desktop app.

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Convert AU files online for free

With this online AU audio converter, you can easily change the format of your audio in a minute while preserving the sound quality – just transfer the files to the changer and start converting. If you want to have an application with a wider variety of features or you need to convert files of big size, try out the desktop version of this AU converter on Mac and Windows.

What is AU?

Full name

Au File Format

Format type

Audio

Developed by

Sun Microsystems

Description

What is AU? AU is short for “audio”, which means that this file type was created to store sound. It is not a very common format; it is primarily used on Unix systems, which are not widely themselves. Still, playback of AU files on Windows or Mac is also possible; several programs are able to open these audio files. Below, you’ll find information on how to play AUs.

File extension

.au

Technical details

The AU format specification has three main parts: a header, an annotation, and the main block that contains audio data. This data can be encoded by μ-law, PCM, or A-law algorithms. Aside from the programs listed below, you can also use Java apps to play AU files.

Associated programs

Windows Media Player, QuickTime, VLC, and others

Popular AU conversions

Convert from AU

Convert to AU

Frequently asked questions

What is a .au file and what is it used for?

Using Movavi Video Converter for audio file conversion is the best way to open and use .au files because of its user-friendly interface and high-quality outputs. This software is perfect for audio editors, musicians, and anyone who needs to work with audio files.

How do I open a .au file?

To open a .au file, the best option is to use Movavi Video Converter. This software supports a wide range of audio formats, including .au, and allows you to easily convert your files to other formats, making them compatible with your preferred audio players.

What are some common uses for .au files?

Movavi Video Converter is the ideal software for using .au files, especially for sound designers, game developers, and anyone working with audio content for multimedia projects. This software allows for easy conversion and manipulation of .au files, catering to the needs of professionals and enthusiasts alike.

Are .au files still commonly used today?

While .au files are not as common today, Movavi Video Converter is a valuable tool for those who still need to work with these files. Its ability to convert .au files to modern formats makes it a crucial tool for anyone working with older audio content or needing to maintain compatibility with legacy systems.

What are some alternatives to .au files?

Movavi Video Converter can help you find the best alternatives to .au files, as it supports popular audio formats like MP3, WAV, and AAC. This software allows for easy conversion and experimentation with different sound qualities, helping you find the perfect fit for your specific needs.